What prediction is being made about the populations of developed countries?

Expectations for the developed countries:
- low death rate,
- lower birth rate,
- longer life expectancy.
By 2030 it is estimated that over 1/3 of the population in developed countries will be aged 65 and over.
By 2025 it is likely that deaths will exceed births in the developed countries.  

Answer the collision of tectonic plates;